The EJ17s bring serious power to your acoustic playing with their heavier tension design, creating a bolder and more resonant tone that stands up to aggressive strumming and flat-picking techniques. This increased resistance gives players the confidence to dig in hard without compromising sound quality.
D’Addario revolutionised the string industry back in 1974 with the introduction of Phosphor Bronze, a material that has since become the gold standard for warm, bright, and perfectly balanced acoustic tone. These strings showcase the company’s precision winding technique, where corrosion-resistant phosphor bronze is carefully wrapped around a hexagonally shaped, high carbon steel core.
The meticulous construction process results in strings that maintain their bright, resonant sound for extended periods while providing excellent intonation across the fretboard. This combination of durability and tonal quality makes them a reliable choice for both studio work and live performance.
- D'Addario's most popular choice for heavy strumming, flat-picking and resonant, projecting tone
- Preferred for its warm, bright, and well balanced acoustic tone
- Environmentally friendly, corrosion resistant packaging for strings that are always fresh
- Made in the U.S.A. for the highest quality and performance
- String Gauges: Plain Steel .013, .017, Phosphor Bronze Wound .026, .035, .045, .056



